Blowing Machine Valve

A valve for a machine for blowing containers, comprising a hollow valve body forming a generally cylindrical chamber with an axis, a lid, and at least two sleeves moving along said axis in said chamber, at least one inlet and one outlet, and control means making it possible to move said sleeves in said chamber, the position of said sleeves defining the open or closed state of said at least one inlet and said outlet, wherein said sleeves are mounted one inside the other and sliding sealably one inside the other and relative to the inner wall of said chamber, in that they form a channel for the passage of a blowing gas concentric to said axis, and in that each sleeve containing another sleeve has at least one radial passage for passage of the blowing gas when it is aligned with said inlet.